If the flue gas desulfurization gypsum and coal powder from power plants are not treated in a timely and reasonable manner, a large area of land will be utilized, and even unnecessary secondary pollution will be brought to the environment. Desulfurization gypsum from power plants has the characteristics of high taste and small particles. However, with the widespread application of gypsum method and limestone/wet lime in thermal power plants in China, the production of desulfurization gypsum has rapidly increased due to its by-products.
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Technical parameters of plaster board1. Paper loading part: the upper and lower paper are equipped with automatic paper receiving machine, RE automatic deviation correction device and sizing device. The lower paper is equipped with scoring device, and a 1.5m gap is reserved between the automatic deviation correction device and the scoring machine to facilitate the installation of QR code roller printer. The upper and lower paper system is equipped with free paper guide rollers as required. (aluminum roller, dynamic balance G2.5, surace oxidation treatment, hardness HV300, runout 0.1mm)2.
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Gypsum that has been overwhelmed and heated to cast off 75% of its water content material is acknowledged as plaster of Paris. When water is delivered to this first-class white powder, the ensuing cloth is without difficulty molded into any favored shape. Upon drying, the reconstituted gypsum regains its rock-like characteristics whilst preserving the favored shape.
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Phosphogypsum is a by-product of ammonium phosphate production in phosphate fertilizer enterprises, mainly containing impurities such as fluoride, phosphorus pentoxide, and organic matter. It is highly acidic and has a pH value as low as 1.9. Research has shown that these harmful impurities are important factors leading to low comprehensive utilization rate of phosphogypsum.
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Working principle of Wall Plaster MachineAfter the bulk material is broken, it is sent to the silo by the lift, and then evenly sent to the main grinding chamber by the electromagnetic vibration feeder. Material entering the grinding chamber is scooped up and placed between the grinding roller and the ring to be ground. After grinding, the fan blows air into the grinding chamber, and the powder is blown into the analyzer for sorting.
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Automatic wall plaster machine TechnologyAutomatic wall plaster machine Capacity List Capacity/TTon/hourRaw gypsum rock consumption T/yearBoiling furnace size30,0004.236,0004.5M×1.2M×1.4M50,0006.960,0004.5M×1.4M×1.6M60,0008.372,0004.5M×1.6M×1.8M80,00011.1196,0004.5M×1.8M×2.0M100,00013.88120,0004.5 M×2.0 M×2.2 M150,00020.83180,0004.5 M×2.2 M×2.4 M200,00027.77240,0004.5 M×2.4 M×2.6 MProduct relevant parameter (GB9776-88《constructional gypsum》which comes from the Gypsum Powder Manufacturing Machine.1.
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Calcination stageAfter the grinding is completed, the Plaster powder that meets the grinding requirements is despatched by way of the powder resolution computer to the rotary kiln for calcination treatment.
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Calcination stageAfter the grinding is completed, the Plaster powder that meets the grinding requirements is despatched through the powder choice computing device to the rotary kiln for calcination treatment.
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Calcination stageAfter the grinding is completed, the Plaster powder that meets the grinding standards is sent by the powder selection machine to the rotary kiln for calcination treatment. The cooked Plaster is sent to the storage bin for storage by the elevator, and materials that do not meet the requirements are further sent back to the grinding machine for grinding;Rotary kilnRotary kiln refers to a rotary calcination kiln, which is an equipment used in cement factories to calcine high-grade cement.
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How is Plaster Processed and Automatic plaster machine working processThe raw material of Plaster powder is natural Plaster mine, and the production process of Plaster powder is mainly divided into five stages: crushing, screening, grinding, calcination, storage and transportation.Crushing: The mined Plaster ore raw materials enter the crusher through the vibration feeder, and the crusher breaks the large size Plaster ore into small particles less than 30mm, and then waits for further screening treatment.Screening: Use the vibrating screen to separate the incomplete large particles and impurit
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Because the keel is made of wood, attention must be paid to fire prevention. The standard practice is to evenly apply fireproof coating on the surface of the keel, wait for the entire keel to turn white, and then nail it on the wall to ensure that the area in contact with the wall is also coated with fireproof coating.After the fireproof treatment is completed on the surface of the keel, the assembly can begin. The workers will use a nail gun to fix the joint of the two keels at an angle of 45 degrees.
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Plastering Machine process flowPlaster generally refers to raw Plaster and anhydrite. Raw Plaster is calcium sulfate dihydrate (CaSO4 • 2H2O) with a Mohs hardness of 2, which can be obtained by calcination and grinding β Type semi hydrated Plaster (2CaSO4 • H2O), namely building Plaster and Plaster plaster. Anhydrite is anhydrous calcium sulfate (CaSO4) with a Mohs hardness of 3-3.5. Plaster is a widely used industrial and building material, which can be used as a cement retarder, building products, model making, sulfuric acid production, paper filler, paint filler, and so on.
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Strong equipment processing capacityOur company has high-precision processing equipment (CNC blanking, cutting, planing, automatic welding, shot blasting and other equipment), which can independently control the processing accuracy and quality of the equipment.Our company has advanced testing equipment and perfect quality control means.
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Process and equipment selectionAccording to the process requirements, the construction plaster equipment is usually divided into five parts, namely the crushing system, grinding system, calcination system, storage and transportation system, and electrical control system. Material transportation:The crushed plaster raw material is transported by a hoist to a storage bin for backup. The storage bin is designed according to the requirements for material storage time to ensure a stable supply of materials.
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Block is building gypsum plaster (plaster or natural chemical byproduct of a calcined gypsum) as the main raw materials: water stirred shaking, pouring into forming massive light and dry wall materials. Its main features are: light weight, shape and tidy and smooth surface, fire, heat insulation, noise and so on.
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The gypsum powder calcination area can be divided into the following processes according to the transportation process of gypsum powder: gypsum raw material storage yard, grinding&drying, calcination, cooling, grinding, and storage. Before calcination, gypsum is mainly composed of dihydrate gypsum, and calcination is the process of converting dihydrate gypsum into hemihydrate gypsum. The calcined gypsum is mainly composed of hemihydrate gypsum.The dry addition area includes gypsum powder, starch, coagulants, retarders, refractory materials, cement, etc.
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Plaster Product IntroductionPlaster powder is one of the five gel materials and plays an important role in the national economy. It is an important industrial raw material, widely used in construction, building materials, industrial molds and art models, chemical industry, agriculture, food processing, medical cosmetology and other application fields. Our company has accumulated a wealth of equipment application and production experience in the field of Plaster powder. And provide equipment and project construction services for a number of Plaster powder manufacturers around the world.
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The whole process of gypsum block consists of gypsum powder construction and block preparation. The influence on environment mainly lies in gypsum powder construction. The powder dust, cinder and smoke released by it are very smaller in comparison with other building materials; therefore, it will be enough to take general controlling measure. The gypsum block is solid in opalescent colour. The surface of the block is smooth and plane with straight edges. The grooves and tongues are made on the vertical and horizontal sides for easy construction.
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How is the gypsum powder produced? The crusher breaks the large-size gypsum ore into small pieces of 25 mm, and then sends the small pieces to the grinder. After grinding, the qualified gypsum powder is sent to the boiling furnace for calcination, and the unqualified part is sent to the grinder until qualified. After calcination, the qualified gypsum powder is sent to the screw conveyor through the elevator.The screw conveyor sends the calcined gypsum powder to the silo for storage, and in the process, the gypsum powder is cooled.
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The finished product area can be divided into: dry plate collection section, emergency picking system 1, horizontal transfer of dry plates, dry plate lamination machine, pushing and cutting and trimming machine, emergency picking system 2, edge wrapping machine, storage machine, automatic padding mechanism, and stacking machine according to the process of dry plate transportation. This area also has different layouts and classifications based on the production speed of gypsum boards.
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We additionally will have quick introduction for Wall Plastering Equipment or Wall Plastering Machine. It will introduce how to produce Plaster powder or plaster of paris. The vital section of the Plaster Powder Manufacturing is milling gadget also. We have have a quick introduction in the following. Principle of Wall Plastering Equipment workingThe principal precept of drying system: the boiling furnace physique is consisting of refined and intensive cooling coil pipe.
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The boiling furnace with low warmth and electrical energy consumption .In the section of energy: Most of the warmness is used to dehydration and decomposition, and the relaxation of small phase is used to warmth the air from the backside of the furnace.The warmth effectivity of the furnace is above 95%.
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Compact equipment , low area coverageThe boiling equipment is vertical-arranged equipment, and the dust remover on the top of the furnace, make a complete body with the furnace .So the equipment is compact and low area coverage.Low energy consumptionThe boiling furnace with low heat and electricity consumption .In the part of energy: Most of the heat is used to dehydration and decomposition, and the rest of small part is used to heat the air from the bottom of the furnace.The heat efficiency of the furnace is above 95%.
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A fluidized mattress boiler is a rectangular vessel with a porous gasoline distribution plate at the bottom. There is a vertical partition internal the furnace, which divides the furnace into two parts, and there are a wide variety of heating tubes inside.
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